From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#63555: emacs 29 complains that it can't connect to the display Date: Fri, 19 May 2023 15:22:22 +0800 Message-ID: <87a5y04wgh.fsf@yahoo.com> References: <87ttwbawse.fsf@vps.thesusis.net> <83v8gou9yb.fsf@gnu.org> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="38532"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Phillip Susi , 63555@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri May 19 09:23:23 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1pzuSR-0009qd-4w for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 19 May 2023 09:23:23 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pzuS8-0003JG-7A; Fri, 19 May 2023 03:23:04 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pzuS6-0003Im-Jo for bug-gnu-emacs@gnu.org; Fri, 19 May 2023 03:23:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pzuS6-0000nX-CZ for bug-gnu-emacs@gnu.org; Fri, 19 May 2023 03:23:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1pzuS6-0004PJ-7w for bug-gnu-emacs@gnu.org; Fri, 19 May 2023 03:23:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Po Lu Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 19 May 2023 07:23:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63555 X-GNU-PR-Package: emacs Original-Received: via spool by 63555-submit@debbugs.gnu.org id=B63555.168448096016914 (code B ref 63555); Fri, 19 May 2023 07:23:02 +0000 Original-Received: (at 63555) by debbugs.gnu.org; 19 May 2023 07:22:40 +0000 Original-Received: from localhost ([127.0.0.1]:55297 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pzuRj-0004Oj-TI for submit@debbugs.gnu.org; Fri, 19 May 2023 03:22:40 -0400 Original-Received: from sonic304-20.consmr.mail.ne1.yahoo.com ([66.163.191.146]:33427) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pzuRg-0004OT-Ra for 63555@debbugs.gnu.org; Fri, 19 May 2023 03:22:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1684480951; bh=Sa1BOOhhGjQafMyhELyFc3xfm4HykPD9iaHOBZqH9u8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From:Subject:Reply-To; b=qTLsEjQctiD/lHPfEtpYRCdXiD5RG4nYtUrgyh8Hf/V4NH5lmfwfBM1il18BoWeOYYXi5V5Hxv238HH//uxe7jqnLdGCOGRdfSM9+moV3eeev/TEcqe9LWKKOUeONseivkegk+lvcr4n0QjPkwG3wgqqMEMmrxneHR2ANhfExg5Uvr83VLVxJBGHan9YvVoKjIhbYqFeJnGM8qL0YpftC/EG3M8RSuOvG6/P7+IhsqVcERBydMXjA3JqHThY2puXTlJoSUD3qmwjZGy5OLYAOwYvns7zwDx7gEBVPsZAygUH+Sst3aEATzMoN5fXomRneS3rfdRgwNaHs6zJHvUIgg== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1684480951; bh=+yRia9YBc5Vg22u+pRyNXUa/QGgjrsNR0OPfY5Zi07G=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=b0G1ffgfERFDyWSyFurLGFCVX2ETrNMp/MhTxu8pL0NbsqQ9RxCgP1ZV7NTWbMneZlLPxeTlHh/UPW5WigZfR8fcn6+XoHfpR+8i46jlC/wXq90Cx/sBTPo7omjbc8y7b/5gs0NCDczB4Y4OK4bZq2xFpt5649g2wqYW5Xk+mdSQ1+D+ZWK8Avf2aESlpjf689aOEjEz0teHpfsSA4zg0taT40fUkAaJ4Xghz1G+vHnDbcpOwBmBKgMp9kFyUXzdTsNTFnHC4ehPnKQwgB/pmZ7Pblcmf+MMeAgxkIZeJH5UnXE6Jr2j1/WD/g79JClFK9duQ/m2mWmrWxvHx+zouA== X-YMail-OSG: dj3SfDMVM1kPGjnWtZT3G_nqLSSutd6OfY__Cu2QHaqIFpA6AeOzrM_M56nL3dv 5wXBlA3oJu89Vs_jSCZG_R6OkjFfhz1bm_pXq4449PBG3ju.Y6e1YcghfUJX3vo30zJ4MbSlI.9y GQffZn2.IHRmFzc9U7cU2K_jJXyd2TaOvUrNVhOZNY6p.tpX2hRfXr1Kau7PiDJekX1b7oMCkbej TWa0N0CVeBbJVHJ.5.fucXqqtdbX.FNrDe4_FsMZPoTvWA2bi0O7aoAOuNlZFb0wQJ.388P_svtF hf00Mu3PhNraCiBM88AIM2dIo4Q1f3v4edWiCIMYFs3kHexvP7_OZCMUmCy1pWBDiS4Kwu1G5ELi AXM8elKx.7awbZoYQDAuYCLiQ4Wwp0WbZY_Yv9ZySd1nebET5o2d68bhxIwa28jvvEDnOMjOdNdr OoecnxxUYAKvW5imybbtrhZHoqZairMFekBMGtrCfmOt1Hl2TyZvh5gDnJOKAb5IkCq1zP0jIXDq Wa6LMHsFxP1T7R1Wn1SE_jHdyoqIV070RArtCExsSvYIWHKYP3RJbAHFr3qrDSOFhs6vvkV5NjSh YPxJtFUBnyXqD3yvqvzS9yX7ACcwJ.4r1mQIIH9TJ1JnydE4ooIp26b_D8QFnBRz0dB5RFq_aiG_ Li8vE17WwMFZSUeeqLmj6WXJ1kgXDbbTCCLpe1Pp.JWulrC5Oc9v138o7S1RGOsr5RXX4UuGElBK Kg0Qk8M0skMHUmh57mjmVr4oT_9YQNxbdLc1R64VO.20znFh4XL2gHQ7Hz62YyGN1cHpKvBYueqg UL2stnZSzFA29.E7mGwrX7lUvfEbHamHwhtm.3MPm4 X-Sonic-MF: X-Sonic-ID: 10b05d60-c889-47d3-b221-2ac8fe6325e9 Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic304.consmr.mail.ne1.yahoo.com with HTTP; Fri, 19 May 2023 07:22:31 +0000 Original-Received: by hermes--production-sg3-748897c457-24pr6 (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 6718948d48dd3915c4298869151e9ff7; Fri, 19 May 2023 07:22:27 +0000 (UTC) In-Reply-To: <83v8gou9yb.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 19 May 2023 09:11:40 +0300") X-Mailer: WebService/1.1.21471 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:261983 Archived-At: Eli Zaretskii writes: >> From: Phillip Susi >> Date: Wed, 17 May 2023 09:51:43 -0400 >> >> Package: emacs >> Version: 29.0.90 >> >> In previous versions of emacs, if the DISPLAY/WAYLAND_DISPLAY variable >> was not set, it would default to tty mode. In version 29, it seems to >> assume a default value and complains that it can't connect to the >> display server unless you run it with -nw. > > Po Lu, was this an intentional change? If so, did we document the > reasons? I cannot find anything in NEWS. No, I don't think so. This isn't intentional. Phillip, please place a breakpoint on `init_display_interactive' in src/dispnew.c. Then, step to this piece of code: if (! inhibit_window_system && ! display_arg) { char *display; display = getenv ("DISPLAY"); display_arg = (display != 0 && *display != 0); <---------- if (display_arg && !x_display_ok (display)) { fprintf (stderr, "Display %s unavailable, simulating -nw\n", display); inhibit_window_system = 1; } } and show: (gdb) p display Thanks.